La Plata
- County:
- Charles County
- County Seat:
- Yes
- Area (mi²):
- 7.982
- State:
- Maryland
La Plata is a town located in Charles County, Maryland. La Plata has a 2026 population of 11,374. It is also the county seat of Charles County. La Plata is currently growing at a rate of 4.74% annually and its population has increased by 11.93% since the most recent census, which recorded a population of 10,162 in 2020.